Question

He went inside the room. Is inside preposition or adverb​

Answer 1

Answer:

Inside can be used in the following ways: as a preposition (followed by a noun): What's inside the envelope? Inside of is sometimes used instead of inside, especially in American English: I had a strange feeling inside of me. as an adverb (without a following noun): I opened the box and looked inside.

Explanation:

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Answer 2

Explanation:

it is preposition okay.